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XY-L10A 6-60v 10A Lead-acid Solar Storage Battery Charge Controller Module Protection Board charger Time Switch Battery Capacity

24V/15V/12V to 5V/12V Regulated Power Supply Module High Efficiency Low Ripple and Double Filter

Power + Voltage Dual Display 3S Lithium Battery Detection Board Support 12V Car Battery Power Display with Switch Battery Indicator

0.1~600M -75~+ 15dBm Power Meter Logarithmic Detection AD8307 Module